Campbell Hausfeld PW4035 - Manual (Page 6)

7 . Install quick connect tip (See Figure 7) .
Figure 7 - Quick Connect tip
trIGGer SAFetY lAtCh
In the engaged position, the trigger
safety latch prevents the gun from being
triggered accidentally . Push the latch fully
up to engage it (See Figure 8 and 9) .
Always engage the trigger safety latch
when the unit is not in use .
Figure 8 - trigger locked
6
Operating Instructions and Parts Manual
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Pre-Operation (Continued)
Figure 9 - trigger unlocked
Operation
1. SurFACe PrePArAtION
The following cleaning procedure will
help you organize your cleaning task and
ensures that you will achieve the best
results in the shortest amount of time .
Remember to use the spraying / cleaning
techniques mentioned in the following
section .
Before starting a pressure washer
cleaning job, prepare the surface you
intend to clean . Clear furniture from the
area and make sure that all windows and
doors are closed tightly . Also, protect all
plants and trees near the cleaning area
with a drop cloth . A covering ensures
that your plants won’t be sprayed by the
detergents .
2. StArt uP
ALWAYS use the following start up
procedure to ensure that the unit is
started safely and properly .
If water has frozen
in the pressure
washer, thaw the pressure washer in a
warm room before starting. do noT pour
hot water on or into the pump; internal
parts will be damaged.
1 . Check engine oil levels . Add oil as
necessary .
2 . Check fuel level . Add unleaded
gasoline (rated 86 octane or higher)
as required .
do noT refuel a hot
engine. refueling a
hot engine could cause a fire. use only
fresh, clean regular or unleaded gasoline.
Close the fuel shutoff valve during
refueling.
3 . Attach a garden hose to the inlet
side of the pump and connect it to
the water supply. Use a hose with an
internal diameter (I .D .) of 5/8 in . (1 .58
cm) and a length of 50 ft . (15 m) or
less .
some local plumbing
codes require
backflow prevention when connecting to
a fresh water supply. Install a backflow
preventer upstream from the pump if
necessary.
a . If inlet water pressure is over 100
psi, install a regulating water valve
at the garden hose connection .
b. Do not exceed 100˚ F (38˚ C) inlet
water temperature .
NOte: The inlet water supply must have
a minimum flow rate of 5 gpm (19 lpm) .
4 . Turn the water supply ON .
never run the
unit dry. be sure the
water supply is completely turned on
before operating the unit.
5 . Trigger the gun until water sprays
from the tip indicating that all air
is purged from the system . Set the
trigger safety latch .
6 . Open the fuel shutoff valve by turning
the lever to the right/“ON” position .
Close the choke (if the engine is cold)
by moving the choke lever fully to
the left . Move the throttle fully to
the left to the “Run” or “Rabbit”
position . Turn the ON/OFF swirch to
the “ON” position .
Disengaged Engaged
Figure 10 - throttle